- Notes, cautions, and warnings
- Working on your computer
- Disassembly and reassembly
- Stand
- Cable cover
- Side Cover
- Speaker cover
- Hard drive
- Optical drive
- System board shield
- Memory modules
- Solid State Drive
- Coin-cell battery
- WLAN card
- Heat sink
- Speaker
- Display panel
- Chassis frame
- Power supply unit
- VESA mount bracket
- Converter board
- System fan
- Intrusion switch
- Power and On-Screen Display buttons board
- Processor
- System board
- M.2 Intel Optane Memory Module 16 GB
- Technology and components
- System setup
- Boot Sequence
- Navigation keys
- System setup options
- System setup options
- General screen options
- System configuration screen options
- Security screen options
- Secure boot screen options
- Intel Software Guard Extensions options
- Performance screen options
- Power management screen options
- POST behavior screen options
- Virtualization support screen options
- Maintenance screen options
- System Log screen options
- Updating the BIOS
- Updating your system BIOS using a USB flash drive
- System and setup password
- Troubleshooting your computer
- Technical specifications
- Processors
- Memory specifications
- Video specifications
- Audio specifications
- Communication specifications
- Cards specifications
- Display specifications
- Drives specifications
- Port and connector specifications
- Power specifications
- Camera specifications - optional
- Stand specifications
- Physical specifications
- Environmental specifications
- Contacting Dell
Dell OptiPlex 5250 All-In-One Owners Manual
Power supply
Customers can test the health of the power supply by performing the power supply built in self test (BIST).
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